成都被動式電源pfc銷售來電咨詢深圳市保益新能電氣供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="如何快速維修pfc電路：4、電源板可以從電視上摘下**維修，維修時(shí)只需要把開關(guān)機(jī)控制電路三極管C、E短接（或?qū)⒁恢?.5K左右的電阻與副電源的+5V輸出端相連》，整機(jī)就處于開機(jī)狀態(tài)，各路電壓均有輸出。在部分液晶采電的開關(guān)電源中，只有+12V"><meta name="keywords" content="成都被動式電源pfc銷售,PFC電源"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" 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href="http://www.cdcfah.com/cp/first-_nengyuan/">能源</a>?<a href="http://www.cdcfah.com/cp/second-nengyuan_pdsdsb/">配電輸電設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-pdsdsb_qtpdsdsb/">其他配電輸電設(shè)備</a>?成都被動式電源pfc銷售來電咨詢深圳市保益新能電氣供應(yīng)</p><div id="rfzxlpl" class="leftbox clearfix"><h1>成都被動式電源pfc銷售來電咨詢深圳市保益新能電氣供應(yīng)</h1><div id="bp9v9jn" class="proBig"><div id="f97ztzv" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041344381105/9656200.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zvznr9l" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041344381105/9656200.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rd7vznr" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>成都被動式電源pfc銷售,PFC電源</p><p><span>***更新：</span>2021-01-07 03:08:47</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pjxbplh" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市保益新能電氣有限公司</a></p><p><span>聯(lián)系人：</span>葉立民</p><p><span>郵箱: </span>1301978383@qq.com</p><p><span>電話: </span>18675588113</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.boynelectric.com</p><p><span>手機(jī): </span>0755-21070344</p><p><span>地址: </span>大浪街道浪口社區(qū)華榮路496號德泰工業(yè)區(qū)1號廠房4層402</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="f77zdht" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nz9znth" class="box"><p><p style="text-indent:25px">如何快速維修pfc電路：4、電源板可以從電視上摘下**維修，維修時(shí)只需要把開關(guān)機(jī)控制電路三極管C、E短接（或?qū)⒁恢?.5K左右的電阻與副電源的+5V輸出端相連》，整機(jī)就處于開機(jī)狀態(tài)，各路電壓均有輸出。在部分液晶采電的開關(guān)電源中，只有+ 12V或+24V輸出端帶有一定功率的負(fù)載，主開關(guān)電源才進(jìn)行正常的工作狀態(tài)。所以在+24V輸出端上你可以接一只電動自行車的36 V燈泡作假負(fù)載（或在+ 12V輸出端接一只摩托車燈泡作假負(fù)載）即可。5、液晶電源通電后，副電源先工作，輸出+5V電壓給數(shù)字板上的CPU，此時(shí)整機(jī)處于待機(jī)狀態(tài)，成都被動式電源pfc銷售。當(dāng)按”待機(jī)“鍵后，成都被動式電源pfc銷售，CPU輸出開機(jī)電平，成都被動式電源pfc銷售，PFC 電路先工作，將+300V脈動直流電壓轉(zhuǎn)換成正常的直流電壓（+380V）后，這時(shí)主開關(guān)電源的脈寬振蕩器才開始工作; 接著主開關(guān)變壓器次級輸出+ 12V、+24V電壓，整機(jī)進(jìn)入正常工作狀態(tài)。被動式PFC曾經(jīng)是PC電源上的主流。成都被動式電源pfc銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都被動式電源pfc銷售,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041344381105/9656200.png"></div><p style="text-indent:25px">PFC的全稱是Power Factor Corrector，意思是功率因數(shù)校正器，它可以在交流轉(zhuǎn)換為直流時(shí)提高電源對市電的利用率，但不能減小轉(zhuǎn)換過程的電能損耗，也沒有節(jié)約電能的功能。主動式PFC電源能減少電源對市電電網(wǎng)的干擾，尤其是避免它在突然啟動時(shí)對其他電器的影響。PFC分為主動式（有源）和被動式（無源）兩種，它們是衡量電源檔次高低的一個(gè)重要因素。一般來說，功率在250W～300W的電源多采用被動式PFC，而主動式PFC則常用于400W及以上的中高級電源。就性能而言，主動式PFC擁有更高的功率因數(shù)（高達(dá)99%），配合好的電路設(shè)計(jì)，能適應(yīng)更高的電壓范圍。你可以通過電源散熱孔查看該產(chǎn)品采用了何種PFC電路：被動式PFC通常為一塊體積較大的電感，由多塊硅鋼片外部纏繞銅線而成；而主動式PFC則由電感線圈配合IC控制芯片組成。成都被動式電源pfc銷售“電感補(bǔ)償式”包括靜音式和非靜音式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都被動式電源pfc銷售,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041284644784/1270972.png"></div><p style="text-indent:25px">PFC的英文全稱為“Power Factor Correction”，意思是“功率因數(shù)校正”，功率因數(shù)指的是有效功率與總耗電量（視在功率）之間的關(guān)系，也就是有效功率除以總耗電量（視在功率）的比值。基本上功率因數(shù)可以衡量電力被有效利用的程度，當(dāng)功率因數(shù)值越大，表示其電力利用率越高。功率因數(shù)是用來衡量用電設(shè)備用電效率的參數(shù)，低功率因數(shù)表示低電力效能。為了提高用電設(shè)備功率因數(shù)的技術(shù)就稱為功率因數(shù)校正。簡介：計(jì)算機(jī)開關(guān)電源是一種電容輸入型電路，其電流和電壓之間的相位差會造成交換功率的損失，此時(shí)便需要PFC電路提高功率因數(shù)。目前的PFC有兩種，一種為被動式PFC（也稱無源PFC）和主動式PFC（也稱有源式PFC）。</p><p style="text-indent:25px">被動式PFC的缺點(diǎn)：1、當(dāng)歐洲EN的諧波規(guī)范越來越嚴(yán)格時(shí)，電感量產(chǎn)的質(zhì)量需提升，而生產(chǎn)難度將提高。2、沉重重量增加電源供應(yīng)器在運(yùn)輸過程損壞的風(fēng)險(xiǎn)。3、原料短缺的風(fēng)險(xiǎn)較高。4、如電源內(nèi)部結(jié)構(gòu)固定的不正確，容易產(chǎn)生震動噪音。5、當(dāng)電源供應(yīng)器輸出超過300瓦以上，被動式PFC在材料成本及產(chǎn)品性能表現(xiàn)上將越不具競爭力。PFC作為決定電源轉(zhuǎn)換效率的重要因素，其主要分為主動PFC與被動PFC。前者帶來的是更高的功率因數(shù)但成本也會有很大的增加，后者雖然價(jià)格低廉但功率因數(shù)也會有所下降。主動PFC電路本身損耗的電能比起被動PFC電路更高，從而直接降低了電源的轉(zhuǎn)換效率，因?yàn)橛懈嗟碾娔懿]有被實(shí)際負(fù)載利用上。PFC電路所調(diào)節(jié)的功率因數(shù)，是給電廠節(jié)省了電能，而并沒有真正給用戶節(jié)省。被動式PFC一般分“電感補(bǔ)償式”和“填谷電路式（Valley Fill Circuit）”。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都被動式電源pfc銷售,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038655679952/7203321.png"></div><p style="text-indent:25px">主動式PFC和被動式PFC電源共同與不同之處簡單地說，主動式PFC就是一個(gè)有源的升壓電路。它通過高頻電感線圈、開關(guān)電子管、高壓濾波電容以及控制IC等元件，組成一個(gè)可以將輸入電壓提高的電路，通過升高輸入電壓來減少電流在流向下級電路中的電能損耗。為什么升高輸入電壓會減少電能損耗呢？我們知道，功率P=UI，在電網(wǎng)的輸入總功率P一定的情況下，只要提高電壓，電流值就會變小，從而降低電路的電能損耗。我們國家的電網(wǎng)系統(tǒng)之所以要采用高壓電線來傳輸電能，也是出于降低能耗的考慮。主動式PFC通過高頻電感線圈、開關(guān)電子管、高壓濾波電容以及控制IC等元件，組成一個(gè)電路。成都被動式電源pfc銷售</p><p style="text-indent:25px">主動式PFC電路的升壓能力，能容許較低的輸入電壓。成都被動式電源pfc銷售</p><p style="text-indent:25px">pfc對電源的重要性：功率因數(shù)（PF）是指，實(shí)際功率（有效功率）與視在功率（表觀功率）的比率（kW/kVA），而我們都知道，功率P等于電壓與電流的乘積（P=V×I）。另外，在電路中會存在著zui基本的兩種電路負(fù)載，一種為“電阻（由電源中各種電阻構(gòu)成的電路負(fù)載）”，另外一種為“電抗（由電源中電感線圈和電容構(gòu)成的電路負(fù)載）”。如果整個(gè)電路都是線性負(fù)載（電路阻抗為恒定常數(shù)的負(fù)載），那么電源電壓和電流都將會呈現(xiàn)為正弦曲線，并且相位相同。而如果在這個(gè)純電阻電路中，那么電壓和電流都會在同一時(shí)刻逆轉(zhuǎn)極性，那么也就是說，在每一時(shí)刻，電壓與電流的乘積都為“正”。也就是說，在電路中，沒有“反方向（負(fù)極方向）”的能量移動，而此時(shí)所產(chǎn)生負(fù)載功率才被稱為“實(shí)際功率”。成都被動式電源pfc銷售</p><p style="text-indent:25px">深圳市保益新能電氣有限公司是一家電氣設(shè)備、電源產(chǎn)品、逆變器，UPS，通訊電源，儲能電源產(chǎn)品、工業(yè)電源、電池充放電電源設(shè)備、電池充放電管理系統(tǒng)設(shè)備、數(shù)字電源、無功補(bǔ)償器或者功率矯正器、數(shù)字控制技術(shù)軟件、工業(yè)控制軟件、電力計(jì)量產(chǎn)品、新能源設(shè)備、太陽能、并網(wǎng)逆變器、離網(wǎng)逆變器、匯流箱、控制器，通訊設(shè)備產(chǎn)品、節(jié)能電子產(chǎn)品、回饋式電源負(fù)載的研發(fā)、銷售及相關(guān)信息咨詢。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。公司自創(chuàng)立以來，投身于UPS/EPS電源，雙向逆變器，安防電源，激光儲能電源，是電工電氣的主力軍。保益新能繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。保益新能始終關(guān)注電工電氣行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2735235.html</p></div></div></div></div></div><div id="r7vp7p9" class="page-right twoColRt"><div id="h99zvtf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jfjx5nz" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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